Best Time to Fly BUF to LGA: On-Time Stats by Hour & Airline
Buffalo Niagara International → LaGuardia
Data through July 2026 · Last updated October 18, 2026
1,758 flights were scheduled from Buffalo (BUF) to New York (LGA) in the last 12 months, and 78.2% of those that flew arrived on time, 0.6 points above the US average of 77.6%.
Republic Airways was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (87% on time) and December the worst month (71%).
The cancellation rate was 4.8% (US average 1.8%).
BUF to LGA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airways | 78.2% | 80 min | 4.8% | 1,758 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BUF to LGA
On-time arrival % by scheduled departure hour (local time), 3,607 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 90.6% | 0.0% | 53 |
| 6am–7am | 86.0% | 2.7% | 899 |
| 7am–8am | 86.2% | 4.6% | 152 |
| 8am–9am | 87.0% | 6.1% | 49 |
| 9am–10am | Limited data | 25 | |
| 10am–11am | 88.5% | 1.7% | 345 |
| 11am–12pm | 80.6% | 3.0% | 398 |
| 12pm–1pm | 86.1% | 1.3% | 154 |
| 1pm–2pm | 74.8% | 1.6% | 121 |
| 2pm–3pm | 84.4% | 3.8% | 293 |
| 3pm–4pm | 76.8% | 7.7% | 117 |
| 4pm–5pm | 76.3% | 3.6% | 223 |
| 5pm–6pm | 71.5% | 7.5% | 360 |
| 6pm–7pm | 67.1% | 10.7% | 364 |
| 7pm–8pm | 92.6% | 0.0% | 54 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BUF to LGA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 86.2% | +3.9 pts | 0.0% | 65 |
| Christmas & New Year (Dec 20 - Jan 3) | 82.2% | +0.0 pts | 5.3% | 95 |
| Summer peak (Jun 15 - Aug 15) | 75.2% | -7.1 pts | 10.4% | 576 |
| All other days | 82.2% | — | 3.0% | 2,871 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).